{"product_id":"manganese-dioxide-mno2-4oz-powder-300-mesh-oxidizer-for-gold-silver-refining","title":"Manganese Dioxide MnO2 4oz Powder 300 Mesh Oxidizer for Gold Silver Refining","description":"\u003cp\u003eManganese Dioxide (MnO₂) is an essential oxidizing compound used in precious metal refining, smelting, and recovery processes. This fine 300-mesh powder is a high-purity industrial-grade reagent designed for consistent performance in gold and silver precipitation, flux preparation, and chemical refining reactions.\u003c\/p\u003e\u003cp\u003eIn refining, Manganese Dioxide acts as a powerful oxidizer, helping to break down base metals, remove impurities, and assist in converting dissolved precious metals back into solid form. It also serves as a catalyst and decolorizer, improving clarity and purity during recovery.\u003c\/p\u003e\u003cp\u003eKey Benefits for Refiners\u003c\/p\u003e\u003cp\u003eHigh-Purity Industrial Grade MnO₂ – ideal for refining, smelting, and metal purification\u003c\/p\u003e\u003cp\u003eConsistent Fine Powder (300 Mesh) – mixes evenly with other chemicals and fluxes\u003c\/p\u003e\u003cp\u003eOxidizing Agent – assists in breaking down base metals and precipitating gold and silver\u003c\/p\u003e\u003cp\u003eCatalyst and Scavenger – removes unwanted elements and color impurities in refining baths\u003c\/p\u003e\u003cp\u003eVersatile Use – compatible with aqua regia, nitric-based, and alternative refining systems\u003c\/p\u003e\u003cp\u003eCommon Refining Applications\u003c\/p\u003e\u003cp\u003eGold and silver precipitation and purification\u003c\/p\u003e\u003cp\u003eFlux component in high-temperature smelting operations\u003c\/p\u003e\u003cp\u003eOxidizer for removing trace impurities from solution\u003c\/p\u003e\u003cp\u003eCatalyst in chemical reactions for metal recovery\u003c\/p\u003e\u003cp\u003eDecolorizer and scavenger in refining baths and electrolytes\u003c\/p\u003e\u003cp\u003eProduct Details\u003c\/p\u003e\u003cp\u003eChemical Name: Manganese Dioxide\u003c\/p\u003e\u003cp\u003eFormula: MnO₂\u003c\/p\u003e\u003cp\u003eCAS Number: 1313-13-9\u003c\/p\u003e\u003cp\u003eMesh Size: 300 (fine powder)\u003c\/p\u003e\u003cp\u003eWeight: 4 oz (113 g)\u003c\/p\u003e\u003cp\u003eForm: Black powder\u003c\/p\u003e\u003cp\u003ePackaging: Moisture-resistant resealable bag\u003c\/p\u003e\u003cp\u003eCountry of Origin: USA\u003c\/p\u003e\u003cp\u003eAdditional Uses\u003c\/p\u003e\u003cp\u003eWhile primarily valued in precious metal refining, MnO₂ also has wide applications in ceramic glazes, pigments, batteries, laboratory catalysts, and water purification.\u003c\/p\u003e\u003cp\u003eSafety Note\u003c\/p\u003e\u003cp\u003eFor professional and industrial use only. Avoid inhalation and skin contact. Use in a well-ventilated area with appropriate protective gear.\u003c\/p\u003e","brand":"GTE","offers":[{"title":"Default Title","offer_id":47652064755861,"sku":"GTE 4 oz manganese dioxide powder","price":12.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0464\/5414\/5173\/files\/57_1c1a4b0c-e859-4481-931f-a3ad467f6d72.png?v=1785458684","url":"https:\/\/www.goldandsilvertesting.com\/products\/manganese-dioxide-mno2-4oz-powder-300-mesh-oxidizer-for-gold-silver-refining","provider":"GOLD TESTING EQUIPMENT","version":"1.0","type":"link"}